根据试验时经常出现的引火源电热丝烧断的现象，提出了改进的建议。

The electric fire ignition source was often burnt out, some Suggestions on how to improve the condition were given.

youdao

根据试验时经常出现的引火源电热丝烧断的现象，提出了改进的建议。

The electric fire ignition source was often burnt out, some Suggestions on how to improve the condition were given.

youdao